ULN2003AIN

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ULN2003AIN

+Nomenclature

IC PWR RELAY 7NPN 1:1 16DIP

  • FabricantTexas Instruments

  • Pièce fabricant #ULN2003AIN

  • En stock4601

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Spécifications

Attribut Valeur
Series ULx200xA
Part Status Obsolete
Operating Temperature -40°C ~ 105°C (TA)
Mounting Type Through Hole
Package / Case 16-DIP (0.300", 7.62mm)
Supplier Device Package 16-PDIP
Base Product Number ULN2003

Présentation

Description

The ULN2003AIN is a high-voltage, high-current Darlington transistor array commonly used in interfacing and controlling inductive loads such as relays, stepper motors, and solenoids. It consists of seven NPN Darlington pairs that can handle up to 500 mA of current and can withstand voltage levels up to 50 V. The array simplifies circuit design by integrating multiple channels into a single package, allowing for easier control of multiple devices without requiring additional components.
The ULN2003AIN also features built-in flyback diodes, which protect against voltage spikes generated when inductive loads are de-energized. This makes it ideal for use in microcontroller applications where it can be driven directly from TTL or CMOS logic levels. It is available in a 16-pin DIP or surface-mount package, making it versatile for various design requirements. Overall, the ULN2003AIN is a reliable solution for driving high-power loads in automation and robotics projects.

Equivalent

The ULN2003AIN is a high-voltage, high-current Darlington transistor array. Equivalent products include the ULN2003, ULN2803, and ULN2004, which serve similar functions in driving inductive loads or high-current devices. Other possible alternatives include the L298 or L293D motor driver ICs, depending on the specific application requirements. Always check the datasheets for electrical specifications and pin configurations to ensure compatibility.

Features

The ULN2003AIN is a high-voltage, high-current Darlington transistor array designed for driving inductive loads such as relays, motors, and solenoids. Key features include:
1. Seven Outputs: It contains seven open-collector outputs, allowing simultaneous control of multiple devices.
2. High Voltage and Current Ratings: Each output can handle up to 50V and 500mA, making it suitable for various applications.
3. Built-in Diodes: Integrated flyback diodes protect against voltage spikes generated by inductive loads, enhancing reliability.
4. Low Input Current Requirement: The input pins require minimal current (typically 1.5 mA) to control the outputs, making it compatible with low-power logic devices.
5. Wide Operating Temperature: It operates efficiently across a broad temperature range (-40°C to +85°C).
6. Compact Package: Available in DIP and SOIC packages, facilitating easy integration into various circuit designs.
Overall, the ULN2003AIN is ideal for interfacing logic-level signals to higher power loads in automation and control systems.

Pinout

The ULN2003AIN is a seven-channel Darlington transistor array consisting of seven open-collector outputs. It features a 16-pin package with the following pin assignments:
1. Input 1 (IN1)
2. Input 2 (IN2)
3. Input 3 (IN3)
4. Input 4 (IN4)
5. Input 5 (IN5)
6. Input 6 (IN6)
7. Input 7 (IN7)
8. Common (COM) – Connected to the supply voltage for the outputs (typically +5V to +50V).
9. Output 1 (OUT1)
10. Output 2 (OUT2)
11. Output 3 (OUT3)
12. Output 4 (OUT4)
13. Output 5 (OUT5)
14. Output 6 (OUT6)
15. Output 7 (OUT7)
16. Ground (GND) – Connected to the system ground.
The ULN2003AIN is commonly used for driving inductive loads such as relays and motors, providing high current gain and protection against flyback voltages.

Manufacturer

The ULN2003AIN is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments is renowned for designing and producing semiconductors and various advanced technologies. Established in 1930, the company has evolved to become a leader in analog and embedded processing solutions, catering to a wide range of applications including consumer electronics, automotive, industrial automation, and telecommunications.
The ULN2003AIN is a popular integrated circuit that contains a set of seven NPN Darlington transistors, commonly used for driving motors and other high-current loads in electronic circuits. It is particularly favored in robotics and automation projects due to its ability to interface with microcontrollers and provide sufficient current amplification. TI's commitment to innovation and quality has made them a trusted supplier in the electronics industry.

Application

The ULN2003AIN is a high-voltage, high-current Darlington transistor array commonly used in various applications, including:
1. Motor Control: Driving stepper motors and DC motors in robotics and automation.
2. Relay Control: Interfacing with relays for switching high-power devices.
3. LED Drivers: Controlling multiple LEDs in lighting applications.
4. Data Acquisition: Driving sensors or actuators in embedded systems.
5. Industrial Automation: Implementing control circuits in manufacturing processes.
6. Home Automation: Managing devices like fans, pumps, and appliances.
Its ability to manage high currents and voltages makes it suitable for diverse electronic control tasks.

Package

The ULN2003AIN is typically available in a 16-pin DIP (Dual In-line Package) format. It may also be found in other packages like SOIC (Small Outline Integrated Circuit) or TSSOP (Thin Shrink Small Outline Package), depending on the manufacturer.